Question: For a n invertible matrix with a n LU factorization A = LU, both L and U will be invertible and A-l = U-1 L-1.

For a n invertible matrix with a n LU factorization A = LU, both L and U will be invertible and A-l = U-1 L-1. In Exercises, find L-1, U-1, and A-1 for the given matrix.
a. A in Exercise 1

b. A in Exercise 4

For a n invertible matrix with a n LU factorization

1 1 0 1 5 2 001 010205 1 3-2-2 L 042042 -4-12-450 231200

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